Table 3.
Multiple regression analysis results
| Variable | Multiple exercise group (n = 28) | Control group (n = 24) | Differences in mean* | p value | ||||
|---|---|---|---|---|---|---|---|---|
| Pre | Post | Mean differences | Pre | Post | Mean differences | |||
| Knee pain VAS (mm) | 36.70 ± 16.38 | 21.32 ± 14.12 | − 15.37 (− 23.57, − 7.18) | 36.49 ± 22.14 | 26.85 ± 21.56 | − 9.64 (− 22.34, 3.05) | − 2.77 (− 7.77, 2.22) | 0.27 |
| JKOM total | 16.96 ± 8.06 | 9.85 ± 6.51 | − 7.1 (− 11.03, − 3.17) | 19.33 ± 11.74 | 12.79 ± 11.69 | − 6.54 (− 13.35, 0.26) | − 1.26 (− 3.85, 1.32) | 0.33 |
| JKOM pain and stiffness | 7.53 ± 3.12 | 4.71 ± 3.00 | − 2.82 (− 4.46, − 1.18) | 7.5 ± 4.86 | 5.91 ± 5.07 | − 1.58 (− 4.47, 1.30) | − 0.61 (− 1.49, 0.27) | 0.16 |
| JKOM activities of daily living | 4.28 ± 3.55 | 2.17 ± 2.53 | − 2.1 (− 3.76, − 0.45) | 3.25 ± 4.72 | 2.87 ± 5.25 | − 0.37 (− 3.27, 2.52) | − 0.76 (− 1.39, − 0.13) | 0.01 |
| JKOM participation in social activities | 3.60 ± 2.26 | 1.82 ± 1.46 | − 1.78 (− 2.80, − 0.76) | 2.87 ± 2.25 | 2.33 ± 1.71 | − 0.54 (− 1.70, 0.62) | − 0.37 (− 0.77, − 0.03) | 0.07 |
| JKOM general health conditions | 1.96 ± 0.99 | 1.14 ± 1.07 | − 0.82 (− 1.37, − 0.26) | 2.0 ± 1.31 | 1.66 ± 1.16 | − 0.33 (− 1.05, 0.39) | − 0.25 (− 0.48, − 0.01) | 0.03 |
| Strength of knee extension (Nm/kg) | 1.09 ± 0.38 | 1.46 ± 0.52 | 0.36 (0.12, 0.61) | 1.25 ± 0.53 | 1.41 ± 0.52 | 0.15 (− 0.15, 0.46) | 0.01 (− 0.13, 0.16) | 0.82 |
Data are provided as mean ± SD and mean differences (95% confidence interval)
*These data are provided as beta (95% confidence interval) calculated on multiple regression analysis